 2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA

SLR/SLO/SLG/SLY2016

www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)

OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany

www.osram-os.com • +49-941-202-7178

4

March 23, 2000-01

Figure 5. Character Set

Figure 6. Block Diagram

ASCII

CODE

D0

D1

D2

D3

0

0

0

0

0

1

0

0

0

1

0

1

0

0

2

1

1

0

0

3

0

0

1

0

4

1

0

1

0

5

0

1

1

0

6

1

1

1

0

7

0

0

0

1

8

1

0

0

1

9

0

1

0

1

A

1

1

0

1

B

0

0

1

1

C

1

0

1

1

D

0

1

1

1

E

1

1

1

1

F

0

0

0

0

1

1

1

1

0

0

1

1

0

0

1

1

0

1

0

1

0

1

0

1

0

1

2

3

4

5

6

7

D6 D5 D4 HEX

Notes:

1. High=1 level

2. Low=0 level

3. Upon power up, the device

will initialize in a random state.

3

2

1

0

Display

Rows 0 to 6

Timing and Control Logic

Row Control Logic

&

Row Drivers

Row Decoder

RAM Read Logic

RAM

Memory

ROM

7 Bit ASCII Code

Column Data

D6

D5

D4

D3

D2

D1

D0

128 X 7 Bit ASCII

Character Decode

(4.48K Bits)

BL

CLR

OSC

128

Counter

7

Counter

Display Output Logic

WR

A0

A1

Write

Address

Decoder

4 X 7 Bit

Columns 0 to 19

Address

Bus

÷

÷